1. Made of high-quality engineering plastic material, featuring strong and durable construction. 2. Compact and lightweight design, easy to install and carry. 3. Waterproof construction allows use in rainy conditions. 4. Equipped with USB rechargeable battery for repeated use. 5. Designed to attach to fishing rod handles; features a rear power button. Press to activate, blue LED light turns on to indicate operation. 6. Gravity-sensing technology automatically turns the lamp on when the rod is lifted from the rod holder. Specifications: Battery: 300mAh lithium battery Fitting diameter: 18-24mm fishing rod handle Charging mode: USB 5V Light source: LED Function: Gravity induction Runtime: Up to 12 hours Charging time: Approximately 2 hours Charging indicator: Flashing light during charging, steady light when fully charged Color: Black Material: Plastic Size: 75 x 30mm Package Contents: 2 x Lamp 2 x USB cable 4 x Rubber strap Note: The package includes only the items listed above. Other items are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3cm.